142434085 has 8 divisors (see below), whose sum is σ = 173723256. Its totient is φ = 112079040.

The previous prime is 142434067. The next prime is 142434113. The reversal of 142434085 is 580434241.

It can be written as a sum of positive squares in 4 ways, for example, as 1252161 + 141181924 = 1119^2 + 11882^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142434085 - 2¹⁹ = 141909797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233194 + ... + 233803.

It is an arithmetic number, because the mean of its divisors is an integer number (21715407).

Almost surely, 2^142434085 is an apocalyptic number.

It is an amenable number.

142434085 is a deficient number, since it is larger than the sum of its proper divisors (31289171).

142434085 is an equidigital number, since it uses as much as digits as its factorization.

142434085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467063.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 142434085 is about 11934.5751914343. The cubic root of 142434085 is about 522.2414156636.

The spelling of 142434085 in words is "one hundred forty-two million, four hundred thirty-four thousand, eighty-five".